#Header{
  display:flex;
  flex-flow:row nowrap;
  align-items: center;
  border-bottom: 1px solid red;
  .title{
    flex: 1;
    line-height: 2;
    font-size:28px;
  }
  .sub-title{
    flex: 0 0 auto;
  }
  
  
}
.test{
    border: 1px solid;
    width: 100px;
    height: 100px;
    background: url('../img/test.jpg');
  }